AT52BC3221A
AT52BC3221A is 32-Mbit Flash 8-Mbit PSRAM Stack Memory manufactured by Atmel.
Features
- 32-Mbit Flash and 4-Mbit/8-Mbit PSRAM
- Single 66-ball (8 mm x 10 mm x 1.2 mm) CBGA Package
- 2.7V to 3.3V Operating Voltage
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Flash
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32-megabit (2M x 16) 2.7V to 3.3V Read/Write Access Time
- 70 ns Sector Erase Architecture
- Sixty-three 32K Word Sectors with Individual Write Lockout
- Eight 4K Word Sectors with Individual Write Lockout Fast Word Program Time
- 15 µs Suspend/Resume Feature for Erase and Program
- Supports Reading and Programming from Any Sector by Suspending Erase of a Different Sector
- Supports Reading Any Word by Suspending Programming of Any Other Word Low-power Operation
- 12 m A Active
- 13 µA Standby Data Polling, Toggle Bit, Ready/Busy for End of Program Detection VPP Pin for Write Protection and Accelerated Program/Erase Operations RESET Input for Device Initialization Sector Lockdown Support Top or Bottom Boot Block Configuration Available 128-bit Protection Register Minimum 100,000 Erase Cycles
32-Mbit Flash + 8-Mbit PSRAM Stack Memory AT52BC3221A AT52BC3221AT
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PSRAM
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- 8-megabit (512K x 16) 2.7V to 3.3V VCC 70 ns Access Time Extended Temperature Range ISB0 < 10 µA when Deep Power-Down
Preliminary
Device Number AT52BC3221A AT52BC3221AT
Flash Boot Location Bottom Top
Flash Plane Configuration 32M (2M x 16) 32M (2M x 16)
PSRAM Configuration 8M (512K x 16) 8M (512K x 16)
Rev. 3466A- STKD- 11/04
Pin Configuration
Pin Name A0
- A18, A19
- A20 CE OE WE RESET RDY/BUSY VPP VCC GND I/O0
- I/O15 NC PLB PUB PVCC PGND PCS1 ZZ PWE POE Function
.. mon Address Input for 8M PSRAM/Flash, Flash Address Input Flash Chip Enable Flash Output Enable Flash Write Enable Flash Reset Flash READY/BUSY Output Flash Power Supply for Accelerated Program/Erase Operations Flash Power Flash Ground Data Inputs/Outputs No Connect PSRAM Lower Byte PSRAM Upper Byte PSRAM Power PSRAM Ground PSRAM Chip Select 1 Low Power Modes PSRAM Write Enable PSRAM Output...
